Home / 84,743.32-127,065.14-32,156.50

Finding the Fourth Proportional to 84,743.32, 127,065.14 and 32,156.50

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Solution

The fourth proportional to 84,743.32, 127,065.14 and 32,156.50 is: 48,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,743.32 : 127,065.14 = 32,156.50 : x
  2. Step 2: Convert to fraction form
    84,743.32/127,065.14 = 32,156.50/x
  3. Step 3: Cross multiply
    84,743.32x = 127,065.14 × 32,156.50
  4. Step 4: Simplify right side
    84,743.32x = 4,085,970,174.41
  5. Step 5: Solve for x
    x = 4,085,970,174.41/84,743.32
  6. Step 6: Final answer
    x = 48,215.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.